truck.py

def solution(bridge_length, weight, truck_weights):
    answer = 0
    bridge = [0] * bridge_length; #bridg 리스트 다리 길이 만큼 초기화 하는 작업
    bridgeWeight = 0

    while True:
        if len(truck_weights) == 0 and bridgeWeight == 0:
            break #건널 트럭이 없으면 while문 나가기

        answer += 1
        if bridge[0] != 0:
            bridgeWeight -= bridge[0]
        del bridge[0] #del은 해당 인덱스 삭제 함수  
        nextNum = 0

        if truck_weights:
            if bridgeWeight + truck_weights[0] <= weight:
                nextNum = truck_weights[0]
                bridgeWeight += truck_weights[0]
                del truck_weights[0]
                
            bridge.append(nextNum)
    
    return answer